package com.liqi.service;

import com.liqi.beans.Course;
import com.liqi.beans.Order;
import com.liqi.beans.User;

import java.util.List;

public interface OrderService {
    public String createToken(User user);
    User login(User user);
    String findById(Integer id);
    List<Course> getCourses();
    int add(Order order);
}
